64 



BEGINNINGS IN ANIMAL HUSBANDRY 



cent of fat, 3 per cent being common, and 4 per cent unusual. 

 The breeders are now endeavoring to produce cows that 

 yield a milk richer in fat, and with considerable success. 

 On account of the large amount of milk produced, the 

 butter-fat even in a day may amount to a very impor- 

 tant total. The cow Banostine Belle DeKol produced 

 27,400 pounds of milk in a year, containing 1058 pounds of 



Fig. 36. Pietertje Maid Ormsby 78051, a Holstein-Friesian cow that pro- 

 duced 145% Ibs. butter-fat in 30 days, a world's record. Owned by Jo B. Irwin, 

 of Minnesota. Photograph from the owner. 



butter-fat, a world's record. A very large number of Hol- 

 stein-Friesian cattle are registered in the Advanced Registry 

 (A. R. O.) of the Holstein-Friesian Association of North 

 America, for having produced at least a certain amount of 

 milk or butter-fat within a definite period under the super- 

 intendence of a representative of an experiment station or 

 agricultural college. This breed is widely distributed in 

 America, though it is best known in the more thickly settled 



